Med School Pop Quiz: Anatomy of the Sacrum! In this quick breakdown, I cover the sacrum’s key landmarks—from the ala and foramina to the sacral canal—and why this foundation of the spine matters for everything from posture to nerve function. As an endoscopic spine surgeon, I’m using this channel to make neurosurgery and spine health education simple, accurate, and fun. Test your anatomy knowledge and learn something new in under a minute. Hashtags: #MedSchoolPopQuiz #SpineAnatomy #NeurosurgeryEd